Simple Microphone Mixer

Posted on Jun 27, 2012

This relatively simple mixer was designed for three dynamic microphones, but can be re-designed for more or less. Level and tone controls are available to tailor the sound to your needs.

Simple Microphone Mixer
Click here to download the full size of the above Circuit.

R1-R3 are level controls. R9 and R11 control bass and treble, respectively. Since the circuit draws such low current, two 9V batteries can be used for a power supply. Building the mixer in a metal case will cut down on noise.

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